A simple and effective synthesis of activated vinylphosphonates from 3-methoxy-2-diethoxyphosphorylacrylate |
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| Authors: | Tomasz Janecki Anna Albrecht Jacek F Koszuk Jakub Modranka Dominika S?owak |
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| Institution: | Institute of Organic Chemistry, Technical University of ?ód?, 90-924 ?ód?, ?eromskiego 116, Poland |
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| Abstract: | A facile, efficient and general one-step procedure for the synthesis of 3-substituted 2-diethoxyphosphorylacrylates from 3-methoxy-2-diethoxyphosphorylacrylate 1b and nitrogen, carbon and phosphorus nucleophiles is presented. Reaction of 1b with 3,5-dimethoxyphenol in the presence of trifluoromethanesulfonic acid yields 3-diethoxyphosphoryl-5,7-dimethoxychromen-2-one. |
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